Mailinglist Archive: opensuse (3139 mails)
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FW: [SLE] Need help diagnosing hardware problem
- From: "Greg Wallace" <gregwallace@xxxxxxxxxxx>
- Date: Wed, 18 Oct 2006 02:41:35 +0000 (UTC)
- Message-id: <!&!AAAAAAAAAAAYAAAAAAAAABYv/fsiAbFHuuseWu7lbHnCgAAAEAAAAP6OPqc1DqhDuFk5FHXB460BAAAAAA==@xxxxxxxxxxx>
On Tuesday, October 17, 2006 @ 9:31 PM, I wrote:
>On Tuesday, October 17, 2006 @ 2:27 PM, Randall Schulz wrote:
>>On Tuesday 17 October 2006 12:10, Greg Wallace wrote:
>>> Wow. Sounds to me like there's no really accurate way to test the
>>> power supply. Maybe the best bet would be to exhaust all other
>>> possibilities and if the problem persists just replace the power
>>> supply to see if that fixes it.
>>Well, that's not really true. If you look closely at the power
>>connector, you'll see that the sleeves of each pin come pretty close to
>>the top of the connector, and multimeter probe pins can usually reach
>>them easily, so measurement under load is probably not a problem. As
>>for knowing what voltage to verify, most supplies list the pin-outs and
>>color codes on their labels. Failing that, there are doubtless on-line
>>resources with this information. E.g.:
>>- <http://pinouts.ru/Power/atx_v2_pinout.shtml> (ATX version 2)
>>- <http://pinouts.ru/Power/atxpower_pinout.shtml> (ATX version 1.x)
>>- <http://pinouts.ru/Power/atx12v_pinout.shtml> (Pentium IV and later)
>>These references give both voltages and color codes. They should be
>>adequate for testing purposes.
>>Do you have a multimeter / VOM / DVM (or, god forbid a VTVM)? At the
>>very least, you'll need that to perform a measurement. And a minimally
>>acceptable DVM is cheaper than a high-quality power supply.
>>> Greg Wallace
> I don't have any electronic gear, so I'd be starting from scratch.
>Sounds like you're saying that to do the testing you unplug each wire one
>at a time and plug some device into that socket to test its voltage,
>repeating the process until you've tested each socket, is that right?
>From what I just read in one of Felix's posts, you just stick the probe in
alongside the wire and don't need to unplug anything to get the readings.
At least that's the way I understood his post.
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